🤖 chore(package.json): Declare module side-effects free.

These changes were automatically generated by a transform whose code can be found at:
  - https://github.com/make-github-pseudonymous-again/rejuvenate/blob/a44c42967442d65fd14272682fb84a6f32feb841/src/transforms/package.json:configure-side-effects.js
Please contact the author of the transform if you believe there was an error.

Author: a-flying-potato

package.json

@@ -20,6 +20,7 @@
     "js",
     "structure"
   ],
+  "sideEffects": false,
   "main": "lib/index.js",
   "files": [
     "lib"